Humane Society Data Specification

• A shelter has an address, a phone number, and a set of days on which it is open. A shelter is managed by one employee.

• An employee has a social security number, name, address, phone number, and a pay rate. An employee works for one shelter for some regular set of days each week.

• A volunteer has a social security number, name, address, and a phone number. An volunteer works at one shelter for some regular set of days each week.

• A person affiliated with a shelter is either an employee or a volunteer, but not both.

• A pet is housed at one shelter. Each pet has a number that’s unique to its shelter, a name, a birth date, an age, and a species.

Sample solution: humane-society.svg (dot source)